Home / 21,227.05-29,292.60-11,795.01

Finding the Fourth Proportional to 21,227.05, 29,292.60 and 11,795.01

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Solution

The fourth proportional to 21,227.05, 29,292.60 and 11,795.01 is: 16,276.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,227.05 : 29,292.60 = 11,795.01 : x
  2. Step 2: Convert to fraction form
    21,227.05/29,292.60 = 11,795.01/x
  3. Step 3: Cross multiply
    21,227.05x = 29,292.60 × 11,795.01
  4. Step 4: Simplify right side
    21,227.05x = 345,506,509.93
  5. Step 5: Solve for x
    x = 345,506,509.93/21,227.05
  6. Step 6: Final answer
    x = 16,276.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.